//package ai.people.netmon.gateway.config;
//
//import ai.people.netmon.gateway.exception.GatewayExceptionConfiguration;
//import org.springframework.beans.factory.ObjectProvider;
//import org.springframework.boot.autoconfigure.AutoConfigureBefore;
//import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
//import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
//import org.springframework.boot.autoconfigure.web.ResourceProperties;
//import org.springframework.boot.autoconfigure.web.ServerProperties;
//import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfiguration;
//import org.springframework.boot.autoconfigure.web.reactive.error.DefaultErrorWebExceptionHandler;
//import org.springframework.boot.context.properties.EnableConfigurationProperties;
//import org.springframework.boot.web.reactive.error.ErrorAttributes;
//import org.springframework.boot.web.reactive.error.ErrorWebExceptionHandler;
//import org.springframework.context.ApplicationContext;
//import org.springframework.context.annotation.Bean;
//import org.springframework.context.annotation.Configuration;
//import org.springframework.http.codec.ServerCodecConfigurer;
//import org.springframework.web.reactive.config.WebFluxConfigurer;
//import org.springframework.web.reactive.result.view.ViewResolver;
//
//import java.util.Collections;
//import java.util.List;
//
///**
// * 通过观察网关 ErrorWebFluxAutoConfiguration 的配置
// *
// * @author yuanqinglong
// * @date 2022/2/15 19:18
// */
//@Configuration
//@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.REACTIVE)
//@ConditionalOnClass(WebFluxConfigurer.class)
//@AutoConfigureBefore(WebFluxAutoConfiguration.class)
//@EnableConfigurationProperties({ServerProperties.class, ResourceProperties.class})
//public class ExceptionAutoConfiguration {
//
//    private final ServerProperties serverProperties;
//
//    private final ApplicationContext applicationContext;
//
//    private final ResourceProperties resourceProperties;
//
//    private final List<ViewResolver> viewResolvers;
//
//    private final ServerCodecConfigurer serverCodecConfigurer;
//
//    public ExceptionAutoConfiguration(ServerProperties serverProperties,
//                                      ResourceProperties resourceProperties,
//                                      ObjectProvider<List<ViewResolver>> viewResolversProvider,
//                                      ServerCodecConfigurer serverCodecConfigurer,
//                                      ApplicationContext applicationContext) {
//        this.serverProperties = serverProperties;
//        this.applicationContext = applicationContext;
//        this.resourceProperties = resourceProperties;
//        this.viewResolvers = viewResolversProvider.getIfAvailable(Collections::emptyList);
//        this.serverCodecConfigurer = serverCodecConfigurer;
//    }
//
//    @Bean
//    public ErrorWebExceptionHandler errorWebExceptionHandler(ErrorAttributes errorAttributes) {
//        DefaultErrorWebExceptionHandler exceptionHandler = new GatewayExceptionConfiguration(
//                errorAttributes, this.resourceProperties,this.serverProperties.getError(), this.applicationContext);
//        exceptionHandler.setViewResolvers(this.viewResolvers);
//        exceptionHandler.setMessageWriters(this.serverCodecConfigurer.getWriters());
//        exceptionHandler.setMessageReaders(this.serverCodecConfigurer.getReaders());
//        return exceptionHandler;
//    }
//}
